Are these genuine AC Delco plugs?

Don't waste your money on these plugs. I ordered those and the gap was different on all 8 plugs. Platinum plugs should be pre gapped, these were not. I sent them back and bought the irodium plugs which is recommended for the GM 5.3L and the 6.0L engines

Will they fit a 2003 gmc yukon denali 6.0 engine, n what's the gap?

Yes they fit. They should be received pre-gapped and you should not try to change them as they damage easily.

Hola tengo un motor Chevy 5.7 litros 8 cilindros carburador eso me puede ayudar?

Check that if 41-962 plugs fits then it will works fine

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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41-962 Professional Platinum Spark Plug, (8)

Product ID: 89678989

Details

Brand
ACDelco
Core Material
Platinum
Thread Size
14 millimeters
Top Material Type
Nickel
Vehicle Service Type
Car

🔥Double platinum electrodes for max durability

❄️Pure copper core keeps electrode cooler

🛡️Fired-in suppressor seal reduces engine interference

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SAR 377

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Description

⚡ Ignite your drive with platinum precision!

BULK PACK ADVANTAGE - Includes 8 spark plugs—perfect for full engine tune-ups or professional maintenance
COOLER RUNNING TECH - Pure copper core dissipates heat efficiently, preventing fouling and boosting reliability
UNMATCHED DURABILITY - Double platinum points ensure consistent spark and longer ignition system life
INTERFERENCE FREE PERFORMANCE - Advanced suppressor seal minimizes radio frequency and engine noise for smooth rides
UNIVERSAL FIT PROFESSIONAL GRADE - Designed to fit a wide range of vehicles with OEM-level quality you can trust

The ACDelco 41-962 Professional Platinum Spark Plug features a one-piece fired-in suppressor seal that blends three glass types to create a gas-tight barrier, reducing engine interference and protecting against compression pressures. Equipped with double platinum electrodes for enhanced durability and a pure copper core for cooler operation, this spark plug delivers consistent voltage and long-lasting performance. Compatible with a wide range of vehicles, it comes in an 8-pack ideal for comprehensive maintenance or professional use.

Specifications

ASIN	B07JBWS1WG
Automotive Fit Type	Universal Fit
Best Sellers Rank	#6,040 in Automotive ( See Top 100 in Automotive ) #15 in Automotive Replacement Spark Plugs
Brand Name	ACDelco
Compatible with Vehicle Type	Car
Core Material	Platinum
Customer Reviews	4.6 4.6 out of 5 stars (1,382)
Item Weight	0.09 Pounds
Manufacturer Part Number	41-962
Model Number	41-962
OEM Equivalent Part Number	41-962
Thread Size	14 millimeters
Top Material Type	Nickel
UPC	808709292968
Unit Count	1 Count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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